8743940

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 19132848

約数和(自身を除く): 10388908

約数列:

[1, 2, 4, 5, 10, 20, 53, 73, 106, 113, 146, 212, 226, 265, 292, 365, 452, 530, 565, 730, 1060, 1130, 1460, 2260, 3869, 5989, 7738, 8249, 11978, 15476, 16498, 19345, 23956, 29945, 32996, 38690, 41245, 59890, 77380, 82490, 119780, 164980, 437197, 874394, 1748788, 2185985, 4371970, 8743940]

約数ペア:

[(1, 8743940), (2, 4371970), (4, 2185985), (5, 1748788), (10, 874394), (20, 437197), (53, 164980), (73, 119780), (106, 82490), (113, 77380), (146, 59890), (212, 41245), (226, 38690), (265, 32996), (292, 29945), (365, 23956), (452, 19345), (530, 16498), (565, 15476), (730, 11978), (1060, 8249), (1130, 7738), (1460, 5989), (2260, 3869)]